/* =========================================================
   Structure Lock Canada — Coming Soon
   Aesthetic: Industrial Blueprint / Structural Engineering
   ========================================================= */

:root {
  --ink:        #0a0e12;
  --ink-2:      #0f151b;
  --steel:      #1c2831;
  --steel-line: #2c3d49;
  --paper:      #eef2f0;
  --paper-dim:  #b9c4c2;
  --safety:     #ff5a1f;   /* safety orange — structural warning tape */
  --safety-dim: #c8481a;
  --lock-blue:  #4fb2c9;   /* cool steel-blue accent */
  --ok:         #63c88a;

  --font-display: 'Archivo Black', sans-serif;
  --font-mono:    'Space Mono', monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  cursor: default;
}

/* ---------- Blueprint grid backdrop ---------- */
.blueprint-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--steel-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--steel-line) 1px, transparent 1px),
    linear-gradient(var(--steel-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--steel-line) 1px, transparent 1px);
  background-size: 88px 88px, 88px 88px, 22px 22px, 22px 22px;
  background-position: -1px -1px;
  opacity: .22;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 20%, black 40%, transparent 95%);
}

.blueprint-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(1100px 700px at 82% -10%, rgba(79,178,201,.16), transparent 60%),
              radial-gradient(900px 600px at 8% 110%, rgba(255,90,31,.10), transparent 55%);
}

.scanline {
  position: fixed;
  left: 0; right: 0;
  height: 140px;
  top: -140px;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(to bottom, transparent, rgba(79,178,201,.05), transparent);
  animation: scan 9s linear infinite;
}
@keyframes scan {
  0%   { top: -140px; }
  100% { top: 100vh; }
}

/* ---------- Corner drawing marks ---------- */
.corner-mark {
  position: fixed;
  width: 34px; height: 34px;
  z-index: 3;
  pointer-events: none;
  opacity: .55;
}
.corner-mark::before, .corner-mark::after {
  content: "";
  position: absolute;
  background: var(--paper-dim);
}
.corner-mark::before { width: 100%; height: 1px; top: 0; }
.corner-mark::after  { width: 1px; height: 100%; left: 0; }
.corner-mark.tl { top: 18px; left: 18px; }
.corner-mark.tr { top: 18px; right: 18px; }
.corner-mark.bl { bottom: 18px; left: 18px; }
.corner-mark.br { bottom: 18px; right: 18px; }

/* ---------- Header ---------- */
.site-header {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 34px 56px 0;
  animation: dropIn .7s cubic-bezier(.2,.8,.2,1) both;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--paper);
}
.brand-mark { color: var(--safety); display: flex; }
.brand-mark-img {
  height: 30px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: .92;
}
.brand-name {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: .04em;
}
.brand-name-thin {
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--lock-blue);
  margin-left: 2px;
}

.brand-flag {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--paper-dim);
  border: 1px solid var(--steel-line);
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.02);
}
.flag-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--safety);
  box-shadow: 0 0 0 3px rgba(255,90,31,.18);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.35); }
}

/* ---------- Layout ---------- */
.stage {
  position: relative;
  z-index: 2;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Hero ---------- */
.hero {
  text-align: center;
  padding: 88px 0 40px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--lock-blue);
  margin: 0 0 30px;
  opacity: 0;
  animation: fadeUp .7s ease .1s both;
}
.eyebrow-line {
  width: 30px; height: 1px;
  background: var(--lock-blue);
  display: inline-block;
}

.headline {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 7.4vw, 5.2rem);
  line-height: .98;
  letter-spacing: -.01em;
  margin: 0 0 30px;
}
.headline .row {
  display: block;
  opacity: 0;
  animation: fadeUp .8s cubic-bezier(.2,.8,.2,1) both;
}
.headline .row:nth-child(1) { animation-delay: .2s; }
.headline .row:nth-child(2) { animation-delay: .34s; color: var(--paper-dim); }
.headline .row:nth-child(3) { animation-delay: .48s; }
.headline .accent { color: var(--safety); }

.lede {
  max-width: 620px;
  margin: 0 auto 46px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-dim);
  opacity: 0;
  animation: fadeUp .8s ease .6s both;
}
.lede strong { color: var(--paper); }

/* ---------- Countdown ---------- */
.countdown {
  display: inline-flex;
  gap: 10px;
  opacity: 0;
  animation: fadeUp .8s ease .74s both;
}
.count-block {
  width: 84px;
  padding: 16px 0 12px;
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0));
  border: 1px solid var(--steel-line);
  border-radius: 10px;
  position: relative;
}
.count-block::before {
  content: "";
  position: absolute;
  top: 8px; left: 8px; right: 8px;
  height: 1px;
  background: var(--steel-line);
}
.count-num {
  display: block;
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}
.count-label {
  display: block;
  margin-top: 6px;
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--paper-dim);
}

/* ---------- Notify card ---------- */
.notify {
  padding: 40px 0 60px;
  opacity: 0;
  animation: fadeUp .8s ease .9s both;
}
.notify-card {
  max-width: 560px;
  margin: 0 auto;
  padding: 40px 44px 34px;
  background: linear-gradient(160deg, var(--steel) 0%, var(--ink-2) 100%);
  border: 1px solid var(--steel-line);
  border-radius: 18px;
  text-align: center;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.04);
}
.notify-title {
  font-family: var(--font-display);
  font-size: 22px;
  margin: 0 0 8px;
  letter-spacing: -.01em;
}
.notify-sub {
  margin: 0 0 26px;
  color: var(--paper-dim);
  font-size: 13.5px;
}

.signup-form {
  display: flex;
  gap: 10px;
  align-items: stretch;
}
.field { flex: 1; position: relative; }
.field-input {
  width: 100%;
  background: rgba(0,0,0,.25);
  border: 1px solid var(--steel-line);
  border-radius: 10px;
  padding: 15px 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--paper);
  outline: none;
  transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
}
.field-input::placeholder { color: #5c6c74; }
.field-input:focus {
  border-color: var(--lock-blue);
  box-shadow: 0 0 0 3px rgba(79,178,201,.16);
  background: rgba(0,0,0,.35);
}
.field-input.invalid {
  border-color: var(--safety);
  box-shadow: 0 0 0 3px rgba(255,90,31,.16);
  animation: shake .32s ease;
}

.submit-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 22px;
  background: var(--safety);
  color: var(--ink);
  border: none;
  border-radius: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .02em;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
  position: relative;
  overflow: hidden;
}
.submit-btn:hover {
  background: #ff6b37;
  box-shadow: 0 10px 26px -8px rgba(255,90,31,.55);
}
.submit-btn:active { transform: scale(.96); }
.submit-btn .btn-arrow { transition: transform .25s ease; }
.submit-btn:hover .btn-arrow { transform: translateX(4px); }
.submit-btn:disabled {
  opacity: .7;
  cursor: default;
  pointer-events: none;
}

.form-msg {
  min-height: 20px;
  margin: 16px 0 0;
  font-size: 12.5px;
  letter-spacing: .02em;
}
.form-msg.ok  { color: var(--ok); }
.form-msg.err { color: var(--safety); }

.tag-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}
.tag {
  font-size: 10.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--lock-blue);
  border: 1px solid rgba(79,178,201,.3);
  background: rgba(79,178,201,.06);
  padding: 6px 12px;
  border-radius: 999px;
}

/* ---------- Gallery ---------- */
.gallery {
  padding: 10px 0 64px;
  opacity: 0;
  animation: fadeUp .8s ease .98s both;
}
.gallery-label {
  text-align: center;
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin: 0 0 22px;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 160px;
  gap: 10px;
}
.gallery-item {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--steel-line);
  background: var(--steel);
}
.gallery-item.span-2 { grid-column: span 2; }
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(.92) contrast(1.04);
  transition: transform .5s cubic-bezier(.2,.8,.2,1), filter .4s ease;
}
.gallery-item:hover img {
  transform: scale(1.06);
  filter: saturate(1.05) contrast(1.08);
}
.gallery-item figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 10px 14px 9px;
  font-size: 10.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--paper);
  background: linear-gradient(to top, rgba(0,0,0,.75), transparent);
}

/* ---------- Specs ---------- */
.specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--steel-line);
  border: 1px solid var(--steel-line);
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 90px;
  opacity: 0;
  animation: fadeUp .8s ease 1.05s both;
}
.spec {
  background: var(--ink-2);
  padding: 30px 26px 32px;
}
.spec-index {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--safety);
  letter-spacing: .1em;
}
.spec h3 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 400;
  margin: 14px 0 10px;
  line-height: 1.3;
  color: var(--paper);
}
.spec p {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--paper-dim);
  margin: 0;
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  z-index: 2;
  max-width: 1040px;
  margin: 0 auto;
  padding: 26px 24px 44px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 11.5px;
  color: var(--paper-dim);
  border-top: 1px solid var(--steel-line);
}
.footer-link {
  color: var(--lock-blue);
  text-decoration: none;
}
.footer-link:hover { text-decoration: underline; }

/* ---------- Animations ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes dropIn {
  from { opacity: 0; transform: translateY(-14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .site-header { padding: 24px 20px 0; }
  .brand-flag .flag-text { display: none; }
  .hero { padding: 64px 0 30px; }
  .signup-form { flex-direction: column; }
  .submit-btn { justify-content: center; }
  .specs { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 130px; }
  .gallery-item.span-2 { grid-column: span 2; }
  .countdown { gap: 8px; }
  .count-block { width: 72px; padding: 12px 0 10px; }
  .count-num { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
  }
  .scanline { display: none; }
}